On Wed, Sep 22, 2010 at 4:53 AM, Jothy <jothybasu at gmail.com> wrote: > Could you post your INCLUDEPATH and LIBS path? > > Jothy Did you use a CMakeLists.txt like the one here? http://www.vtk.org/Wiki/VTK/Examples/Cxx/Qt/RenderWindowUi and did you turn on these options? http://www.vtk.org/Wiki/VTK/Tutorials/QtSetup David